v2.4.0.8
Income Taxes Income Tax Expense (Benefit) (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Current Income Tax Expense (Benefit) [Abstract]      
Total current income tax expense $ 357 $ 136 $ 273
Deferred Income Tax Expense (Benefit) [Abstract]      
Total deferred income tax benefit (346) (105) (72)
Income tax expense 11 31 201
Ireland
      
Current Income Tax Expense (Benefit) [Abstract]      
Ireland 17 0 0
United States - Federal
      
Current Income Tax Expense (Benefit) [Abstract]      
United States - Federal 89 1 85
Deferred Income Tax Expense (Benefit) [Abstract]      
United States - Federal (295) 39 (2)
United States - State and local
      
Current Income Tax Expense (Benefit) [Abstract]      
United States - State and local 7 5 2
Deferred Income Tax Expense (Benefit) [Abstract]      
United States - State and local (23) 2 8
Foreign - other
      
Current Income Tax Expense (Benefit) [Abstract]      
Foreign - other 244 130 186
Deferred Income Tax Expense (Benefit) [Abstract]      
Foreign - other $ (28) $ (146) $ (78)